riscv32: enable JIT for pico2, add it to CI

Signed-off-by: Paul Guyot <pguyot@kallisys.net>

Author: pguyot

.github/workflows/pico-build.yaml

@@ -41,7 +41,17 @@ jobs:
     strategy:
       matrix:
         board: ["pico", "pico_w", "pico2"]
+        platform: [""]
         language: ["cpp"]
+        jit: ["", "-DAVM_DISABLE_JIT=OFF"]
+        include:
+          - board: "pico2"
+            platform: "-DPICO_PLATFORM=rp2350-riscv"
+            jit: ""
+
+          - board: "pico2"
+            platform: "-DPICO_PLATFORM=rp2350-riscv"
+            jit: "-DAVM_DISABLE_JIT=OFF"
 
     steps:
     - name: Checkout repo
@@ -57,6 +67,16 @@ jobs:
             libnewlib-arm-none-eabi libstdc++-arm-none-eabi-newlib \
             erlang-base erlang-dev erlang-dialyzer erlang-eunit rebar3
 
+    - name: Install riscv32 toolchain
+      if: matrix.platform == '-DPICO_PLATFORM=rp2350-riscv'
+      run: |
+        sudo mkdir -p /opt
+        cd /opt
+        sudo wget https://github.com/raspberrypi/pico-sdk-tools/releases/download/v2.2.0-3/riscv-toolchain-15-x86_64-lin.tar.gz
+        sudo tar xzf riscv-toolchain-15-x86_64-lin.tar.gz
+        ls /opt
+        echo "/opt/riscv-toolchain-15-x86_64-lin/bin" >> $GITHUB_PATH
+
     - name: "Git config safe.directory for codeql"
       run: git config --global --add safe.directory /__w/AtomVM/AtomVM
 
@@ -74,7 +94,7 @@ jobs:
         set -euo pipefail
         mkdir build
         cd build
-        cmake .. -G Ninja -DPICO_BOARD=${{ matrix.board }}
+        cmake .. -G Ninja -DPICO_BOARD=${{ matrix.board }} ${{ matrix.platform }} ${{ matrix.jit }}
         ninja
 
     - name: "Perform CodeQL Analysis"
@@ -97,7 +117,7 @@ jobs:
         mkdir build.nosmp
         cd build.nosmp
         # TODO: fix all warnings and enable -DAVM_WARNINGS_ARE_ERRORS=ON
-        cmake .. -G Ninja -DPICO_BOARD=${{ matrix.board }} -DAVM_DISABLE_SMP=1
+        cmake .. -G Ninja -DPICO_BOARD=${{ matrix.board }} ${{ matrix.jit }} -DAVM_DISABLE_SMP=1
         cmake --build . --target=rp2_tests
 
     - name: Run tests with rp2040js
@@ -112,7 +132,7 @@ jobs:
         npx tsx run-tests.ts ../build.nosmp/tests/rp2_tests.uf2 ../build.nosmp/tests/test_erl_sources/rp2_test_modules.uf2
 
     - name: Build atomvmlib.uf2
-      if: startsWith(github.ref, 'refs/tags/') && matrix.board != 'pico_w'
+      if: startsWith(github.ref, 'refs/tags/') && matrix.board != 'pico_w' && matrix.platform == '' && matrix.jit == ''
       shell: bash
       run: |
         set -euo pipefail
@@ -122,7 +142,7 @@ jobs:
         make atomvmlib-${{ matrix.board }}.uf2
 
     - name: Rename AtomVM and write sha256sum
-      if: startsWith(github.ref, 'refs/tags/')
+      if: startsWith(github.ref, 'refs/tags/') && matrix.platform == '' && matrix.jit == ''
       shell: bash
       run: |
         pushd src/platforms/rp2/build
@@ -137,7 +157,7 @@ jobs:
         popd
 
     - name: Rename atomvmlib and write sha256sum
-      if: startsWith(github.ref, 'refs/tags/') && matrix.board != 'pico_w'
+      if: startsWith(github.ref, 'refs/tags/') && matrix.board != 'pico_w' && matrix.platform == '' && matrix.jit == ''
       shell: bash
       run: |
         pushd build/libs
@@ -148,7 +168,7 @@ jobs:
 
     - name: Release (Pico & Pico2)
       uses: softprops/action-gh-release@v1
-      if: startsWith(github.ref, 'refs/tags/') && matrix.board != 'pico_w'
+      if: startsWith(github.ref, 'refs/tags/') && matrix.board != 'pico_w' && matrix.platform == '' && matrix.jit == ''
       with:
         draft: true
         fail_on_unmatched_files: true
@@ -160,7 +180,7 @@ jobs:
 
     - name: Release (PicoW)
       uses: softprops/action-gh-release@v1
-      if: startsWith(github.ref, 'refs/tags/') && matrix.board == 'pico_w'
+      if: startsWith(github.ref, 'refs/tags/') && matrix.board == 'pico_w' && matrix.platform == '' && matrix.jit == ''
       with:
         draft: true
         fail_on_unmatched_files: true

src/platforms/rp2/CMakeLists.txt

@@ -69,8 +69,13 @@ if(CMAKE_SYSTEM_PROCESSOR MATCHES "^cortex-m.+$")
     if (NOT AVM_DISABLE_JIT)
         set(AVM_JIT_TARGET_ARCH "armv6m")
     endif()
+elseif(CMAKE_SYSTEM_PROCESSOR MATCHES "^hazard3$")
+    # Pico2 RISC-V processor (Hazard3)
+    if (NOT AVM_DISABLE_JIT)
+        set(AVM_JIT_TARGET_ARCH "riscv32")
+    endif()
 else()
-    # Typically riscv is not supported yet
+    # Other processors not supported yet
     if (NOT AVM_DISABLE_JIT)
         message("JIT is not supported on ${CMAKE_SYSTEM_PROCESSOR}")
         set(AVM_DISABLE_JIT ON CACHE BOOL "Disable just in time compilation." FORCE)